128 lines
4.6 KiB
JavaScript
128 lines
4.6 KiB
JavaScript
/**
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* Database Integrity Check
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* Runs at startup to ensure all required tables exist.
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* Recreates the database if any tables are missing.
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*/
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require('dotenv').config();
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const mysql = require('mysql2/promise');
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const db = require('./db');
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const path = require('path');
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const fs = require('fs');
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const REQUIRED_TABLES = [
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'users',
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'prometheus_sources',
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'site_settings',
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'traffic_stats',
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'server_locations'
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];
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async function checkAndFixDatabase() {
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const envPath = path.join(__dirname, '..', '.env');
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if (!fs.existsSync(envPath)) return;
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try {
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// Check tables
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const [rows] = await db.query("SHOW TABLES");
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const existingTables = rows.map(r => Object.values(r)[0]);
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const missingTables = REQUIRED_TABLES.filter(t => !existingTables.includes(t));
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if (missingTables.length > 0) {
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console.log(`[Database Integrity] ⚠️ Missing tables: ${missingTables.join(', ')}. Creating them...`);
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for (const table of missingTables) {
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await createTable(table);
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}
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console.log(`[Database Integrity] ✅ Missing tables created.`);
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}
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// Check for new columns in site_settings
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const [columns] = await db.query("SHOW COLUMNS FROM site_settings");
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const columnNames = columns.map(c => c.Field);
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if (!columnNames.includes('show_95_bandwidth')) {
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console.log(`[Database Integrity] ⚠️ Missing column 'show_95_bandwidth' in 'site_settings'. Adding it...`);
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await db.query("ALTER TABLE site_settings ADD COLUMN show_95_bandwidth TINYINT(1) DEFAULT 0 AFTER default_theme");
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console.log(`[Database Integrity] ✅ Column 'show_95_bandwidth' added.`);
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}
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} catch (err) {
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console.error('[Database Integrity] ❌ Error checking integrity:', err.message);
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}
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}
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async function createTable(tableName) {
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console.log(` - Creating table "${tableName}"...`);
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switch (tableName) {
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case 'users':
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await db.query(`
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CREATE TABLE IF NOT EXISTS users (
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id INT AUTO_INCREMENT PRIMARY KEY,
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username VARCHAR(255) NOT NULL UNIQUE,
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password VARCHAR(255) NOT NULL,
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salt VARCHAR(255) NOT NULL,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
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`);
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break;
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case 'prometheus_sources':
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await db.query(`
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CREATE TABLE IF NOT EXISTS prometheus_sources (
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id INT AUTO_INCREMENT PRIMARY KEY,
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name VARCHAR(255) NOT NULL,
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url VARCHAR(500) NOT NULL,
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description TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
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`);
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break;
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case 'site_settings':
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await db.query(`
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CREATE TABLE IF NOT EXISTS site_settings (
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id INT PRIMARY KEY DEFAULT 1,
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page_name VARCHAR(255) DEFAULT '数据可视化展示大屏',
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title VARCHAR(255) DEFAULT '数据可视化展示大屏',
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logo_url TEXT,
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default_theme VARCHAR(20) DEFAULT 'dark',
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show_95_bandwidth TINYINT(1) DEFAULT 0,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
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`);
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await db.query(`
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INSERT IGNORE INTO site_settings (id, page_name, title, default_theme, show_95_bandwidth)
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VALUES (1, '数据可视化展示大屏', '数据可视化展示大屏', 'dark', 0)
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`);
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break;
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case 'traffic_stats':
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await db.query(`
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CREATE TABLE IF NOT EXISTS traffic_stats (
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id INT AUTO_INCREMENT PRIMARY KEY,
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rx_bytes BIGINT UNSIGNED DEFAULT 0,
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tx_bytes BIGINT UNSIGNED DEFAULT 0,
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rx_bandwidth DOUBLE DEFAULT 0,
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tx_bandwidth DOUBLE DEFAULT 0,
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timestamp TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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UNIQUE INDEX (timestamp)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
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`);
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break;
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case 'server_locations':
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await db.query(`
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CREATE TABLE IF NOT EXISTS server_locations (
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id INT AUTO_INCREMENT PRIMARY KEY,
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ip VARCHAR(255) NOT NULL UNIQUE,
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country CHAR(2),
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country_name VARCHAR(100),
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region VARCHAR(100),
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city VARCHAR(100),
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latitude DOUBLE,
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longitude DOUBLE,
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last_updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
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) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
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`);
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break;
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}
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}
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module.exports = checkAndFixDatabase;
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